worm tea
Skip itA small market ($25K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.3%return rate — above 6% kills the launch gate
Avg price
Incredible$26.22avg listing price — sweet spot $15–$100
Price range
Great$10.00–$47.24cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+58.4%90-day search growth — must beat 0% to launch
Conversion
Good6.1%search→purchase rate — share of searches ending in a sale
Review moat
Good846.83avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Competition
Bad82%top-5 click share — a locked-up shelf
Brand share
Bad95%top-5 brand share — brand-locked demand
Market size
Bad$25K$25K/yr · 16K searches
According to Flapen's Amazon United States niche tracking, worm tea is a $25K/yr Amazon United States market (16K searches/yr). The top 5 brands hold 95% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Skip it — 47/100.
Data updated Jul 15, 2026 · scored weekly · How we score niches
worm tea market data
- Units sold / yr
- 1K–2K
- avg 0–100/product
- Revenue / yr
- $33K–$39K
- units × avg price
- Launch success
- —
- 1 of 1 new (360d)
- Conversion rate
- 6.1%
- Avg BSR
- #1,417
- Page quality
- 0%
- Prime
- 83%
- Sponsored
- 75%
- Out of stock
- 13.7%
- Avg brand age
- 63 months
- Avg seller age
- 175 days
Competition & brand share
The top 5 products capture 82% of clicks — a locked-up shelf that new listings rarely crack.Brands
8 falling
Sellers
7
Top-5 brand share
95%
Top 20: 100%
Top-5 click share
82%
Top 20: 100%
Open market
3%
- Bloom City60%
- VermisTerra23%
- TPS NUTRIENTS8%
- HiThrive2%
- Green Gardener2%
- Wiggle Worm2%
- Open — no brand owns it (2 brands, 3%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +58.4% search growth over the last 90 days.Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 3.0×
Top worm tea search terms
- worm tea10K/yr
- worm tea fertilizer liquid3K/yr
- worm casting tea3K/yr
Top worm tea products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Organic Earthworm Tea Concentrate and Compost and Bokashi Booster by Bloom City Quart (32 oz)
Bloom City$22.444.7★1,942 rev
Bloom City Organic Worm Tea Concentrate and Compost and Bokashi Booster 1/2 Pint (8 oz)
Bloom City$11.284.7★1,942 rev
VermisTerra Earthworm Casting Tea - Organic Worm Tea with Kelp - Gallon - Soil Protector and Conditioner Concentrate - Living Enzymes Nourish Plants - All Crops: Vegetables Flowers Fruit and Trees
VermisTerra$44.034.7★1,694 rev
Worm Tea for Gardening - 32oz Quart - Organic Earthworm Soil Enhancer - Vermicompost with Kelp - Increase Yields Boost Growth Reduce Stress- Vegetables Flowers Fruit Trees - Plant Probiotic
VermisTerra$23.914.7★1,694 rev
Organic Worm Tea Concentrate and Compost and Bokashi Booster by Bloom City Gallon(128 oz)
Bloom City$46.904.7★1,942 rev
Newest
by launch date
Wrigglebrew Organic Liquid Fertilizer Concentrate from Worm Castings. Non-toxic All-Purpose Plant Food for Gardens Vegetables Fruits Houseplants Seed Starters and Ornamentals. (16 Fluid Ounces)
WriggleBrew$10.00174 rev
16oz Worm Castings for Plants - Makes 32 Gallons of Earthworm Castings Compost Tea Liquid Worm Casting Nutrient-Rich Organic Compost Worms for Healthier Soil & Vibrant Plant Growth
HiThrive$14.98231 rev
Worm Casting Tea Concentrate Liquid Microbial Supplement for Living Soil Stronger Roots & Healthier Plants 8 oz
TPS NUTRIENTS$11.6164 rev
Worm Casting Tea Concentrate Liquid Microbial Supplement for Living Soil Stronger Roots & Healthier Plants 32 oz
TPS NUTRIENTS$19.5564 rev
Worm Castings for Plants Earthworm Casting Organic Fertilizer Bokashi Booster Worm Tea Made from Compost Worms Liquified & Concentrated Vermicompost for Soil Fertility & Bountiful Harvest 32 oz.
The Grow Co$22.83288 rev
Trending
90-day click momentumWorm Casting Tea Concentrate Liquid Microbial Supplement for Living Soil Stronger Roots & Healthier Plants 32 oz
TPS NUTRIENTS$19.554.5★
Worm Castings for Plants Earthworm Casting Organic Fertilizer Bokashi Booster Worm Tea Made from Compost Worms Liquified & Concentrated Vermicompost for Soil Fertility & Bountiful Harvest 32 oz.
The Grow Co$22.834.6★
Wrigglebrew Organic Liquid Fertilizer Concentrate from Worm Castings. Non-toxic All-Purpose Plant Food for Gardens Vegetables Fruits Houseplants Seed Starters and Ornamentals. (16 Fluid Ounces)
WriggleBrew$10.004.2★
Bloom City Organic Worm Tea Concentrate and Compost and Bokashi Booster 1/2 Pint (8 oz)
Bloom City$11.284.7★
Worm Tea for Gardening - 32oz Quart - Organic Earthworm Soil Enhancer - Vermicompost with Kelp - Increase Yields Boost Growth Reduce Stress- Vegetables Flowers Fruit Trees - Plant Probiotic
VermisTerra$23.914.7★
What buyers say about worm tea
What buyers praise and complain about, mined from review topics.What buyers love
“the plants Ive given it to are doing well”
“I like the stuff the ease of use”
“Economical”
“Great product”
“still no aphids”
“Crossing fingers it actually works”
“This clear liquid”
“dark green so are my hostess”
“Have used it for several years”
“as described”
What buyers complain about
“The smell is a bit strong”
“it was already opened by someone else”
“Just bad not good”
“never seen instructions that have to take”
“40 bucks down the drain”
“Didnt work for me”
Top return reasons
Common questions
- Is worm tea profitable to sell on Amazon United States?
- The niche generates $25K/yr across 12 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +58.4%. Flapen's verdict: Skip it (47/100).
- How competitive is the worm tea niche?
- 8 brands and 7 sellers compete. The top 5 products take 82% of clicks and top 5 brands hold 95% of demand.
- What do buyers complain about in worm tea?
- Top complaints mined from reviews: Smell, Product Condition, Quality-Overall. The return rate is 0.3%.
- When does demand for worm tea peak?
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 3.0× the quietest.
- What does it cost to enter the worm tea niche?
- Listings span $10.00–$47.24; the average listing price is $26.22 (sweet spot $15–$100). The average incumbent carries 847 reviews — the moat a new listing must climb.